<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table表格区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格（元）" prop="goods_price" width="110px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" background>
    </el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      //商品列表
      goodslist: [],
      //总数据条数
      total: 0,
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    //根据分页获取对应商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get("goods", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取商品列表失败!");
      }
      this.$message.success("获取商品列表成功!");
      console.log(res.data);
      this.goodslist = res.data.goods;
      this.total = res.data.total;
    },
    // 显示的页数改变
    handleSizeChange(newSize){
      this.queryInfo.pagesize=newSize
      this.getGoodsList()
    },
    // 页码的改变
    handleCurrentChange(newPage){
      this.queryInfo.pagenum=newPage
      this.getGoodsList()
    },
    //删除操作
    async removeById(id){
      const confirmResult=await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
        if (confirmResult !=='confirm') {
          return this.$message.info('已经取消删除！')
        }
        const{data:res}=await this.$http.delete(`goods/${id}`)
        if (res.meta.status !==200) {
          return this.$message.error('删除失败！')
        }
        this.$message.success('删除成功！')
        this.getGoodsList()
    },
    //添加商品 跳转页面
    goAddpage(){
      this.$router.push('/goods/add')
    }
  },
};
</script>
<style lang="less" scoped>
</style>